# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:       王景渊  
# Name:         4.21
# Description:
# Author:       dell
# Date:         2019/ajaxdata.json/29
#-------------------------------------------------------------------------------
print([1,2,3]+[4,5,6])
print('hello'+'world')
print([1,2,3]+['hello'])
#字符与字符串不能相加



